Outdoors calendar

Today Spring Swift Watch with the Baltimore Bird Club, 7:30 p.m., Druid Hill Park Conservatory, Auchentoroly Terrace and Gwynns Falls Parkway. Chance to see thousands of chimney swifts during their annual migration north from the Amazon basin of Peru as they stop in Baltimore to roost at dusk. Binoculars helpful. Details: 410-467-5352 or jafjsc@verizon.net.

BIRDING

Tuesday: Follow the spring migration with a walk at Cromwell Valley Park, 8:30 a.m., with the Baltimore Bird Club. Meet in the parking lot off the Willow Grove Farm Entrance at Cromwell Bridge Road. Details: 410-825-1379.

Friday: "The Family of Herons: Feeding Strategies of Wading Birds." Observe and learn about a variety of feeding techniques, prey, and hunting behaviors of the Great Blue Heron, Green-Backed Heron, Snowy Egret, and the Great Egret, 5 p.m., at the Chesapeake Bay Environment Center, Grasonville. Materials, supplies, guides, and incidentals needed for field work will be provided by CBEC. Cost: $7 CBEC members; $10 non-members. Information: 410-827-6694. To register: jwink@bayrestoration.org.

Saturday: John Carroll Country Fair Youth Fishing Rodeo, 703 Churchville Road, 10 a.m.- 2 p.m., for ages 15 and younger. Bring your own rod and reel. A limited number of rod and reels will be available. All bait will be provided. Door prizes. Children 12 and under must be accompanied by an adult. Details: 410-893-5361.

Thursdays: in May and June, Family Fishing Fun, 6 p.m.- 8 p.m. sponsored by the Baltimore City Department of Recreation and Parks, Patterson Park Boat Lake, Eastern Avenue at Milton Avenue. Free. Children must be accompanied by an adult. Bring your own rod and reel; limited number of rod and reels will be available. Bait provided. Details: 410-396-9392.

HIKING

Wednesday A 9-mile hike along Morgan Run and Liberty Reservoir with the Mountain Club of Maryland. Moderate pace. Dirt service roads and unmarked single-track side trails with minor stream crossings. Scenery consists of reservoir and stream overlooks in pine and hardwood forests. Details: 410-857-9324.

Sunday: Learn the basics of camping from a campground host, 1 p.m., Patapsco Valley State Park. Free. Find out how to stay dry, eat well and make camping more fun. Bring your tent for a trial set up. Suitable for families; all age groups welcome. Meet at the Hilton Area Shelter 245,1101 Hilton Ave. Catonsville. To register: 410-461-5005.

FYI

Calendar submissions may be mailed to Outdoors Editor, The Baltimore Sun, 501 N. Calvert St., Baltimore, MD 21278-0001, or e-mailed to candy.thomson@baltsun.com. Please include time, date and location, as well as a short description and a telephone number for more information. Please provide listings four weeks before the date of the event.